There is provided a light receiver including a photodiode converting an optical signal into an electrical signal, and a plurality of amplifiers respectively having different gains, each input end of the plurality of amplifiers being connected to one end of the photodiode, and one of the plurality of amplifiers being in operating state for outputting an output signal. At least one of the plurality of amplifiers and the photodiode are connected through a diode.
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October 16, 2006
November 8, 2011
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